1266 results about "Glycidol" patented technology

PCT No. PCT / EP97 / 06364 Sec. 371 Date Sep. 25, 1998 Sec. 102(e) Date Sep. 25, 1998 PCT Filed Nov. 14, 1997 PCT Pub. No. WO98 / 25988 PCT Pub. Date Jun. 18, 1998A blend of epoxy-amine adducts are useful as emulsifiers of aqueous epoxy resin dispersions comprises (A-1) one or more epoxy-amine adduct(s) obtained by the reaction of (i) one or more aromatic, cycloaliphatic or novolac epoxy compound(s) and (ii) one or more amine-terminated polyalkylene glycol(s) having a molecular weight of from 700-5000 and an ethyleneoxide content of at least 60% by weight in an equivalent ratio of amine-terminated polyalkylene glycol(s) to epoxy compound(s) of from 0.01:1 to 0.9:1; (A-2) one or more epoxy-amine adduct(s) derived from the reaction of (i) one or more aliphatic epoxy compound(s) and (ii) one or more amine-terminated polyalkylene glycol(s) having a molecular weight of from 700-5000 and an ethyleneoxide content of at least 60% by weight in an equivalent ratio of amine-terminated polyalkylene glycol(s) to epoxy compound(s) of from 0.01:1 to 0.9:1; (B-1) aromatic, cycloaliphatic or novolac polyglycidyl ethers; (B-2) optionally, polyglycidyl esters of aromatic or cycloaliphatic polycarboxylic acids; and (C) optionally, at least one of reactive thinners, pigments, filler or other addtitives.

The invention provides a preparation method of a modified graphene oxide, comprising the following steps of: (a) reacting a phosphorus oxychloride compound, cyanuric chloride or diisocyanate with glycidol to obtain an intermediate product; and (b) dispersing graphite oxide in an organic solvent, dropwise adding to the intermediate product obtained through reaction, and reacting to obtain the modified graphene oxide. The invention also provides a preparation method of a composite material containing the modified graphene oxide, comprising the following steps of: dispersing the modified graphene oxide obtained through the preparation method in the technical scheme in an organic solvent, mixing the modified graphene oxide containing epoxide groups with epoxy resin oligomers and a polyamide curing agent, and curing to obtain the composite material containing the modified graphene oxide. In the composite material provided by the invention, the modified graphene oxide reacts with a resin substrate, is more uniform to disperse in the obtained composite material, and has better flame-retarding performance.

A method for sealing the peripheral edge surface of a laminated electrooptic device, wherein an aromatic glycidyl amine-based epoxy is used as a seal. Sealed devices are also disclosed.

A amidoamine composition containing oligomeric amidoamine compounds having the structure: the average of x based on the amidoamine composition is at least 0.2, and Z is the residue of a polyoxyalkylene polyether polycarboxylic acid compound, and the amidoamine composition is the reaction product of primary polyamine compounds with polyoxyalkylene polyether polycarboxylic acid compounds at a corresponding equivalent weight ratio of at least 4.0:1 under oligomeric reaction conditions effective to increase the amine nitrogen equivalent weight of the amidoamine composition by at least 10% over the average acid equivalent weight of said polyoxyalkylene polyether polyacid composition. There is also provided glycidated amidoamine compositions used as epoxy functional surfactants, and the aqueous epoxy resin dispersions thereof, and the curable epoxy resin compositions thereof.

Exemplary embodiments provide compositions and devices for hydrophobic coatings, and methods for making them. The hydrophobic coating can be formed from a coating solution including, for example, organically modified silicates (ormosils) mixed with coupling agents. Specifically, a sol-gel solution can be formed (e.g., at room temperature) including a plurality of alkoxy silane precursors that contains at least one glycidoxy alkoxy silane precursor. In an exemplary embodiment, the sol-gel solution can be a mixed sol-gel solution formed including a first solution mixed with a second solution. The first solution can include one or more alkoxy silane precursors, and the second solution can include at least one glycidoxy alkoxy silane precursor. A coupling agent can then be added and reacted (e.g., cross-linked) with the (mixed) sol-gel solution forming the coating solution, which can be applied onto a substrate that needs to be protected from corrosion or from chemical and / or biological agents.

The invention belongs to the field of chemical coatings, and specifically relates to a VOC (Volatile Organic Compounds)-free water-based epoxy curing agent. The curing agent comprises the following components in percentage by weight: 12-25% of epoxy resin, 15-30% of terminal epoxy glycidyl ether, 3-11% of polyether amine, 18-35% of an amine compound and 40-60% of deionized water. The preparation method of the curing agent comprises the following steps: preparation of an intermediate, epoxy-amine addition and dispersion by using deionized water. The preparation method of the curing agent is simple, the reaction process is easy to control, no organic solvent is used in the preparation process and the storage stability of the curing agent is good. A water-based epoxy zinc-enriched primer which is made of the curing agent has the characteristics of high drying speed, low applicable temperature, good film flexibility, high hardness, excellent corrosion resistance and the like, and can be applied to the fields such as ocean engineering, bridges, grade levels, high-speed rail facilities, wind power equipment, petrochemical engineering and heavy machinery.

A process for producing an epoxy silane oligomer including a reaction glycidoxy silane and / or cycloaliphatic epoxy silane having 2 or 3 alkoxy groups and, optionally, a copolymerizable silane other than glycidoxy and cycloaliphatic epoxy silane, with less than 1.5 equivalents of water in the presence of a catalyst, wherein said water is continuously fed during the reaction.

The invention relates to organic silicon fire retardant containing phosphor and epoxy radical. It is made up of 100 portions methyl containing hydrogen silicone oil, 1-150 portions allylglycidyl ether, 0-50 portions end reaction contained double organic silane coupler and 1-200 portions active material containing phosphor after compounding. The invention also relates to the manufacturing method of taking polyaddition reaction of methyl containing hydrogen silicone oil, allylglycidyl ether, and end reaction contained double organic silane coupler, and compounding with phosphor contained active material. The condensate compounded by the invention and common epoxy resin the limiting oxygen index would reach 23-29, and vitrifying transforming temperature would reach 168-185degree centigrade.

A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and / or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and / or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.

The present invention discloses the preparation process of Linezolid, and the preparation process includes the following steps: condensation of morpholine and 3, 4-difluoro nitrobenzene; reduction into 3-fluoro-4-morpholinyl aniline under the catalysis of Fe, and acylation with phosgene into 3-fluoro-4-morpholinylphenyl isocyanate; cyclization with (R)-butyl glycidate to produce (R)-N-(3-fluoro-4-morpholinylphenyl)-oxazolone-5-methyl alcohol; and further conventional synthesis steps. The present invention has simple technological process, mild reaction condition, cheap catalyst and low production cost, and is favorable to industrial production.

The invention relates to a water soluble polyester resin, which is synthesized according to the formula of (by weight percentage): 25%-30% of diol or polyol; 2%-4% of a heatproof functional monomer; 30%-40% of polycarboxylic acid or anhydride; 1%-6% of a sulfonate based hydrophilic monomer; 5%-7% of a glycidyl ester compound; 0.01%-0.2% of a catalyst; and 20%-30% of a cosolvent. The waterborne polyester amino baking varnish based on the water soluble polyester resin involved in the invention has the advantages of: (1) good storage stability; (2) good heat resistant performance; (3) excellent water resistance and rust resistance; and (4) safe and convenient use.

A amidoamine composition containing oligomeric amidoamine compounds having the structure:the average of x based on the amidoamine composition is at least 0.2, and Z is the residue of a polyoxyalkylene polyether polycarboxylic acid compound, and the amidoamine composition is the reaction product of primary polyamine compounds with polyoxyalkylene polyether polycarboxylic acid compounds at a corresponding equivalent weight ratio of at least 4.0:1 under oligomeric reaction conditions effective to increase the amine nitrogen equivalent weight of the amidoamine composition by at least 10% over the average acid equivalent weight of said polyoxyalkylene polyether polyacid composition. There is also provided glycidated amidoamine compositions used as epoxy functional surfactants, and the aqueous epoxy resin dispersions thereof, and the curable epoxy resin compositions thereof.

The invention mainly aims to provide a preparation method of electronic grade triglycidyl isocyanurate (TGIC). In order to realize the aim, the technical scheme in the invention is as follows: the preparation method of electronic grade TGIC comprises the following steps: a) adding epichlorohydrin, cyanuric acid, quaternary ammonium salt phase transfer catalyst and water according to a ratio, heating and stirring to react; b) adding flake caustic soda in the reaction system obtained in the step a) to react, then performing pressure filtration to remove solid salt; and c) performing vacuum distillation after the reaction, then using a high vacuum film evaporator to distill and remove epichlorohydrin, crystallizing the coarse product, centrifuging, grinding, and drying to obtain electronic grade TGIC. According to the treatment method provided by the invention, the purity of the TGIC product can be effectively increased, and the purity of TGIC can be increased from 92% to more than 99%, which reaches the electronic grade.

The invention discloses long-chain branched polyester and a preparation method thereof. The long-chain branched polyester is obtained by carrying out esterification and polycondensation on a diacid component A, a diacid component B and a bifunctional branching agent component C such as biglycidyl ester, diglycidyl ether or glycidol and the like. According to the invention, a non-toxic bifunctional branching agent is directly adopted to in situ generate branching points; the preparation method is unique, preparation process is simple and environmentally-friendly, branching reaction is uniform,branching degree is easy to regulate and control, and the high molecular weight long-chain branched polyester can be prepared; and the preparation method can be used for preparation of non-degradablepolyester and preparation of biodegradable polyester, thereby being beneficial to the realization of commercialization. The long-chain branched polyester has the characteristics of long-chain branching and large molecular weight in structure and is beneficial to increase of melt strength and improvements of blow molding and foaming processing performance.

The invention relates to an epoxy acrylate prepolymer resin and a preparation method thereof and an application in a photocurable coating. The prepolymer has the characteristics of low viscosity, good flexibility, good adhesion and basic colorlessness and can be used for preparing various photocurable coatings and coating various base materials, such as bamboo floor. The epoxy acrylate prepolymer resin is prepared by epoxy resin and methacrylate under the action of the catalyst through ring-opening esterification and is characterized in that the prepolymer resin comprises the following components according to parts by weight: 100 parts of epoxy resin, 35-50 parts of methacrylate, 2-8 parts of long chain saturated dicarboxylic acid, 12-25 parts of polyethylene glycol, 8-12 parts of diglycidyl ether, 0.01-0.05 parts of antioxidant, 0.2-0.5 parts of catalyst and 0.005-0.01 parts of polymerization inhibitor. The viscosity reduction, toughening and modification are carried out for the epoxy acrylate prepolymer resin, the flexibility and strength are improved, the viscosity of the prepolymer resin is effectively reduced, and the prepolymer resin is applicable for preparing the photocurable coatings.

The present invention relates to a flame-resistant and heat-resistant copper clad laminate preparation method, which comprises: adopting nanometer silica foam, dodecyl benzenesulfonic acid, bismuth nitrate pentahydrate, methyl trichlorosilane and polyoxyethylene sorbitan monooleate as a raw materials to obtain a filler; adopting DOPO, a bisphenol A cyanate ester monomer, a phenol compound, a m-nitrobenzene sulfonic acid pyridine salt, 2,3-epoxy cyclopentyl cyclopentyl ether and dimethyl phosphonate as raw materials to obtain a resin prepolymer; adding the filler to o-phthalic acid diglycidyl este to obtain an active filler; mixing the resin prepolymer and an indole compound, and then adding the active filler and isomeric undecanol polyoxyethylene ether phosphate potassium salt to obtain a composite system; and carrying out hot pressing molding on the composite system, a reinforced material and metal foil to obtain the flame-resistant and heat-resistant copper clad laminate, wherein the flame-resistant and heat-resistant copper clad laminate has characteristics of excellent flame retardant property and excellent heat resistance, and meets the development applications of the flame-resistant and heat-resistant copper clad laminate.

The invention relates to a machinable solid buoyancy material and a preparation method thereof. The machinable solid buoyancy material belongs to a functional nonmetallic material and comprises the following components in part by mass: 100 parts of epoxy resin, 15 to 55 parts of amine epoxy curing agent and 30 to 130 parts of glass beads, wherein the epoxy resin is bisphenol S type epoxy resin or glycidol epoxy resin; and the amine epoxy curing agent is polyamide 650, polyamide 651, tertiary nitrogen type organic amine or quaternary nitrogen type organic amine, bismaleimide, low molecular weight polyacrylamide, imidazoles or organic acid anhydride compounds. The preparation method comprises the following steps of: heating the epoxy resin and the amine epoxy curing agent, weighing the epoxy resin and the amine epoxy curing agent, blending and stirring the epoxy resin and the amine epoxy curing agent, adding the glass beads, stirring again, kneading the materials, after taking the material out, coating a mould release agent on the inner wall of a die and sticking mould release paper; filling the material into the die; covering by using a cover; curing the die in a drying oven; and separating the material from the die on a demoulding machine. The machinable solid buoyancy material can meet the requirements on underwater projects, permanent buoys and the like.

The invention discloses a sticking glue for a diamond wire silicon slice and a preparation method. The sticking glue comprises a component A and a component B; the component A includes glycidyl estertype epoxy resin, general bisphenol A epoxy resin, glycidyl ether, filler, defoaming agent, anti-settling agent and coupling reagent; the component B includes modified polythiol, self-prepared m-xylylenediamine prepolymer, accelerant, filler, defoaming agent and anti-settling agent. On the basis of the prior art, the invention modifies the last generation sticking glue and provides the sticking glue for the diamond wire silicon slice and the preparation method thereof. Boiling degumming without acid can be completed without adding degumming factors; the boiling degumming temperature is 10 DEGC lower than the present one; electrical conductivity of solution in cooling water or degumming water is reduced; normal working of cooling water circulation system is guaranteed; the service life ofmachine is prolonged; production efficiency of factory is guaranteed and potential safety hazard of easiness in causing machine failure is solved.

The invention relates to a nitrogen, silicon and chlorine thee-element synergic flame retardant tri{2-chloro-3-[tri(chloroethoxy)silicon acyloxy]propyl}isocyanurate compound and a preparation method thereof. The structure of the compound is shown as a formula in the specification. The preparation method comprises the following steps: dripping organic solvent solution of triglycidyl Isocyanurate into silicon tetrachloride, and reacting for 4 to 6 hours at a temperature of between 50 and 70 DEG C; and cooling to 30 DEG C, introducing ethylene oxide under the liquid surface, reacting for 2 to 3 hours at a temperature of between 45 and 55 DEG C, and purifying to obtain the tri{2-chlor-3-[tri(chloroethoxy)silicon acyloxy]propyl}isocyanurate. The compound has good flame retardant plasticization, and is suitable for flame retardant plasticizer such as polyvinyl chloride, polyurethane, epoxy resin, unsaturated resin and the like; and the method has simple production process and low cost, and is easy for industrial production.

Treatment of anion exchange materials containing hydroxyl containing moieties in the beta position relative to the quaternary center in the hydroxide form with glycidol substantially alters the selectivity of the anion exchange material. Furthermore, sequential treatments of first a hydroxide containing solution to put the anion exchange material in the hydroxide form followed by treatment with glycidol in an alternating sequence progressively changes selectivity in a predictable manner allowing facile manipulation of selectivity. Unique to the selectivities achievable with this chemistry is the ability to reverse the elution order of sulfate and carbonate. With all other known systems, carbonate elutes ahead of sulfate and sometimes compromises the ability to quantitate sulfate. With glycidol treatment, carbonate can be moved after sulfate which eliminates interference issues for samples containing significantly more carbonate than sulfate. This modification is useful for columns operated with a hydroxide or carbonate eluent system.

The invention relates to a method for preparing an ultraviolet(UV)-curable polyisocyanate modified superbranched epoxy acrylate, which comprises the following steps of: heating maleopimaric acid tri glycidyl ester, maleopimaric acid and a catalyst for esterification reaction to obtain rosin-based superbranched resin; cooling, and adding epoxy chloropropane, water and a catalyst for reaction to obtain superbranched epoxy resin; adding crylic acid, a catalyst and a polymerization inhibitor for reaction to obtain superbranched epoxy acrylic resin; and reacting the superbranched epoxy acrylic resin with ethylene glycol methacrylate terminated para toluene diisocyanate, a catalyst and a polymerization inhibitor to obtain the final product. Compared with the prior art, the method has the advantages that: rosinyl is introduced into superbranched polyester, and the hardness, strength and other special properties of the resin are improved and the curing speed is improved by utilizing the special rigid condensed ring structure of the rosin. The cured product has higher ultraviolet resistance; and by adjusting the using amount of raw materials, superbranched polyester for ultraviolet-curable coatings meeting different coating requirements can be prepared.

An epoxy resin composition having components (A), (B), (C), and (D), wherein the epoxy resin composition has a viscosity at 40° C. of about 1×103 to about 1×104 Pa·s, a curing start temperature of about 90 to about 110° C., and a minimum viscosity at the curing start temperature of about 2 to about 20 Pa·s, wherein the components (A), (B), (C), and (D) are as follows: (A) About 60 weight parts or more of a tetraglycidyl amine type epoxy resin per 100 weight parts of the epoxy resin blend; (B) Dicyandiamide; (C) Diaminodiphenyl sulfone and (D) Urea compound.

A photoreactive polysaccharide which comprises a polysaccharide bound to a glycidyl ester via a covalent bond, a photocrosslinked-polysaccharide prepared by using the photoreactive polysaccharide, and medical products comprising the photocrosslinked-polysaccharide.

The present invention provides thermosetting polyester powder or epoxy-containing acrylic powder compositions comprising one or more curing agent adduct of a polyester, preferably a linear polyester, wherein when the said curing agent adduct comprises an adduct of one or more polyepoxy compound, the said polyepoxy compound has an average of 2.01 or more epoxy groups per molecule. The compositions provide flexible coatings, films and capstocks having improved impact resistance, especially for use in automotive and architectural applications. To improve impact strength of coatings and films provided thereby, the compositions comprise curing agent adducts of one or more polyepoxy compound chosen from triglycidyl isocyanurate (TGIC) and triglycidyl trimellitate with a carboxyl functional polyester having a carboxyl equivalent weight of 602 or more. In addition, to further improve the impact strength of coatings and films provided thereby, the compositions may comprise one or more adjunct curing agent, such as glycoluril, an aminoplast resin or a blocked isocyanate.

The invention refers to a kind of compound lyosol fixing arrangement agent, a synthesizing method and the usage. The arrangement agent is made up of following products: (1) the silicon sol is made up of gamma-glycidol ether oxygen propyl trimethoxy-silane, water and hydrochloric acid, whose mol proportion is: 1:5-100:1í‡10 -5-1í‡10 -1; (2) the titanium sol is made up of titanic acid butyl ester, water and hydrochloric acid whose proportion is 1:0.1-10:10-200: 1í‡10 -4-1í‡10 -1; (3) the product is produced by mixing above mentioned silicon sol and titanium sol, the mol proportion of silicon and titanium is 1:0.05-1.0. The arrangement agent may form a mesh particle film on the surface of the fiber, realizes the color fixing aim.

The invention discloses a DOPO type reactive flame retardant with a terminal group as an epoxy group, a preparation method therefor and an application thereof. The preparation method comprises: heating DOPO and a poly(glycidol)-based compound in a reaction molar ratio to react in an organic solvent; and removing the solvent under reduced pressure, thereby obtaining the reactive flame retardant which is a viscous liquid at the room temperature, contains a DOPO flame retardant radical and has the terminal group which is the epoxy group. The flame retardant synthetic method is simple, easy to control, good in repeatability, high in yield, suitable for enlarged production, and can be used as an end-sealed type flame retardant which is applied to flame resistance of a polyurethane material. The flame retardant is applied to the polyurethane material, so that not only are defects of poor compatibility between the added flame retardant and a basal body, easy run-off in a using process and the like overcome, but also a complex process for synthesizing polyhydric alcohols by use of a conventional reactive flame retardant is avoided; and the flame resistance of the material is obviously improved, the oxygen index of polyurethane leather is increased to 26-28%, and the flame retardant level can reach level UL94 V-0.

The invention relates to a preparation method of polyester resin capable of being used for an outdoor dry mixed extinction powder coating. The preparation method is characterized by comprising the following steps of: adding polybasic acid or anhydride, polyatomic alcohol, a catalyst and an antioxidant according to a mass ratio into a reaction kettle for mixing; introducing nitrogen; heating to a temperature of 100-300 DEG C until a reaction solution is completely clarified to obtain A-component polyester resin; adding polybasic acid or anhydride, polyatomic alcohol, a catalyst and an antioxidant into the reaction kettle to be mixed; introducing nitrogen; heating to a temperature of 100-300 DEG C until a reaction solution is completely clarified; and carrying out vacuum condensation polymerization on the clarified reaction solution until an acid value is 10-50 mg KOH / g and a viscosity is 30-100 P to obtain B-component polyester resin; mixing the A-component polyester resin with triglycidyl isocyanurate, barium sulfate, titanium dioxide, a flatting agent, a brightener and benzoin according to a mass ratio to obtain a powder coating I; mixing the B-component polyester resin with triglycidyl isocyanurate, barium sulfate, titanium dioxide, a flatting agent, a brightener and benzoin to obtain a powder coating II; and mixing the powder coating I with the powder coating II to obtain the powder coating with low brightness. The preparation method has the advantages of stable extinction effect of outdoor dry mixed extinction polyester, better coating property and the like.

The present invention discloses a phosphorus-nitrogen co-reactive flame retardant used for polyurethane, a preparation method therefor and an application thereof. The method comprises: adding epoxy chloropropane and alcohol amine compound into an organic solvent; carrying out an ring-opening and ring-closing reactions in a reaction molar ratio; and filtering, and removing the solvent under reduced pressure, thereby obtaining a reaction intermediate glycidol alcohol amine which is viscous liquid at room temperature; and carrying out a reaction between DOPO and an epoxy group to form a reactive flame retardant with end groups as double hydroxyl groups and a DOPO flame retardant group. The flame retardant has a phosphorus-nitrogen co-reactive flame retardant effect, is environmentally-friendly,non-toxic, low in smoke, and can be used as a chain extender to apply to the preparation for a structural flame retardant polyurethane material, so that the preparation process is simple, and the flame-retardant effect is remarkable. The polyurethane material synthesized by using the flame retardant has good mechanical properties, an oxygen index increased to 27-29%, and a flame retardant grade up to UL94 V-0.

This invention provides an allyl glycidyl ether industrialized preparation method. It uses Boron trifluoride diethyl ether comoles compound as catalyst, propylene alcohol and epichlorohydrin as raw material, pass through the condensation ring-opening reactions generate 1-chloro-2-hydroxy-3- allyloxy propane, then under alkaline conditions through close-loop to obtain allyl glycidyl ether; the product yield rate is 78%, the content of 98%.